/usr/include/ossim/imaging/ossimImageModel.h is in libossim-dev 1.7.21-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// License: LGPL
//
// See LICENSE.txt file in the top level directory for more details.
//
// Author: David Burken
//
// Description: Class declaration of ossimImageModel.
//
//-----------------------------------------------------------------------------
// $Id$
#ifndef ossimImageModel_HEADER
#define ossimImageModel_HEADER 1
#include <vector>
#include <ossim/base/ossimConstants.h>
#include <ossim/base/ossimObject.h>
#include <ossim/base/ossimDpt.h>
#include <ossim/base/ossimRtti.h>
class ossimDrect;
class ossimImageHandler;
/**
* @brief Class to handle transforming image points, rectangles, and offsets
* from one reduced resolution data set (rrds) level to another.
*
* Derived from ossimObject only so users can pass via the
* ossimViewInterface::setView method.
*/
class OSSIM_DLL ossimImageModel : public ossimObject
{
public:
/** @brief default constructor */
ossimImageModel();
/** @brief virtual destructor */
virtual ~ossimImageModel();
/**
* @brief Method to initialize class from an image handler.
*
* @param ih Image handler.
*/
virtual void initialize(const ossimImageHandler& ih);
/**
* @brief Get r0 point from rn point.
*
* @param rrds Source (rnPt) reduced resolution data set.
*
* @param rnPt The image point to tranform.
*
* @param r0Pt the Point to initialize.
*
* @note Throws ossimException on out of range rrds.
*/
void rnToR0(ossim_uint32 rrds,
const ossimDpt& rnPt,
ossimDpt& r0Pt) const;
/**
* @brief Get r0 point from rn point.
*
* This requires calling setTargetRrds(ossim_uint32 rrds) to the level
* for rnPt.
*
* @param rnPt The image point to tranform.
*
* @param r0Pt the Point to initialize.
*
* @note Throws ossimException on out of range rrds.
*
* @see setTargetRrds
*/
void rnToR0(const ossimDpt& rnPt, ossimDpt& r0Pt) const;
/**
* @brief Get rn point from r0 point.
*
* @param rrds Target (rnPt) reduced resolution data set.
*
* @param r0Pt The image point to tranform.
*
* @param rnPt the Point to initialize.
*
* @note Throws ossimException on out of range rrds.
*/
void r0ToRn(ossim_uint32 rrds,
const ossimDpt& r0Pt,
ossimDpt& rnPt) const;
/**
* @brief Get rn point from r0 point.
*
* This requires calling setTargetRrds(ossim_uint32 rrds) to the level
* for rnPt.
*
* @param r0Pt The image point to tranform.
*
* @param rnPt the Point to initialize.
*
* @note Throws ossimException on out of range rrds.
*
* @see setTargetRrds
*/
void r0ToRn(const ossimDpt& r0Pt,
ossimDpt& rnPt) const;
/**
* @brief Get the sub image offset for a given resolution level.
*
* @param rrds The reduced resolution data set.
*
* @param offset the Point to initialize.
*
* @note Throws ossimException on out of range rrds.
*/
void getSubImageOffset(ossim_uint32 rrds, ossimDpt& offset) const;
/**
* @brief Gets the zero-based image rectangle for a given reduced resolution
* data set.
*
* @param rrds The reduced resolution data set.
*
* @param rect Initialized with image rectangle for rrds.
*
* @note Throws ossimException on out of range rrds.
*/
void getImageRectangle(ossim_uint32 rrds, ossimDrect& rect) const;
/**
* @brief Gets the model-based image rectangle for a given reduced
* resolution data set.
*
* If this image is a sub image the offset is applied. So if the image
* has a sub image offset of (1024, 1024), and has 1024 lines and 1024
* samples the rectangle for r0 will be: (1024, 1024) (2047, 2047)
*
* @param rrds The reduced resolution data set.
*
* @param rect Initialized with image rectangle for rrds.
*
* @note Throws ossimException on out of range rrds.
*/
void getBoundingRectangle(ossim_uint32 rrds, ossimDrect& rect) const;
/**
* @return This returns the total number of decimation levels.
*/
ossim_uint32 getNumberOfDecimationLevels()const;
/**
* @brief Set theTargetRrds data member.
*
* This is used by methods rnToR0 and r0ToRn that do not take a rrds
* argument.
*
* @param rrds Target reduced resolution data set.
*/
void setTargetRrds(ossim_uint32 rrds);
/**
* @return The target reduced resolution data set.
*/
ossim_uint32 getTargetRrds() const;
protected:
/** Offset from the full image. */
ossimDpt theSubImageOffset;
/** Decimation factors for each rrds level. */
std::vector<ossimDpt> theDecimationFactors;
ossim_uint32 theLines;
ossim_uint32 theSamples;
ossim_uint32 theTargetRrds;
TYPE_DATA
};
#endif /* #ifndef ossimImageModel_HEADER */
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